Chard Properties
Chard is a herbaceous plant of the family Chenopodiaceae, with bright green leaves and white and fleshy petioles, called stalks.
Form small and woody roots. The edible part of the chard is the leaf petiole and the veined central, thickened and fleshy of the leaf.
Its origin is Asian, are consumed since ancient times, because the Assyrians had cultivated them in 800 a. C. There are documents that prove that in the V century BC the Greeks used the chard as a food in their diet. The Romans prepared them in soups along with other vegetables.
Varieties
The number of cultivated varieties is very low. Their classification is set based on the color, the size of its leaves and petioles or stalks and the thickness of the stalk .The best known, cultivated and appreciated for its quality and taste are:
• Yellow Lyon: large leaves,wavy, yellowish green and white,stalk white and highly developed with a width of up to 10cm. Are the most commonly traded.
• Green with white stalk bressane : very wavy leaves, dark green and very white stalks and broad, with a width of 15cm.
Nutritional properties
It is a vegetable with a small amount of carbohydrates, proteins and fats, since the greater weight is due to its high water content.Therefore turns out a less energetic vegetable, although it is a nutrient rich in food regulators, such as certain vitamins, minerals and fiber. Its outer leaves contain the highest amount of vitamins.
Chard (Beta vulgaris) plants are rich in soluble fiber in the form of mucilage, which promote the intestinal transit, improve hemorrhoid problems, and are involved in the cholesterol prevention and the clearance of toxic elements from the intestine, which could be responsible for diseases such as cancer.
In the chard, the most abundant mineral is potassium. However, this vegetable is notable for its higher magnesium content, sodium, iodine , iron and calcium.
Potassium is necessary for the generation and transmission of nerve impulses to the normal muscular activity. Also involved in the water balance inside and outside of the cell.
Magnesium is related to the functioning of the bowel, nerves and muscles, is part of bones and teeth, enhances immunity and has a mild laxative effect.
Iodine is an essential mineral for the proper functioning of the thyroid gland, which produces thyroid hormones. They are involved in many metabolic functions, such as maintaining body temperature and metabolism. Also iodine is essential for fetal growth and brain development.
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